Question

Explain why each statement is true.

1. 5+2+3=5+(2+3)
2. 9a is equivalent to 11a-2a
3. 7a + 04 - 2a is equivalent to 7a + -2a + 4
4. 8a-(8a-8) is equivalent to 8

Answer 1

Explanation:

1. 5+2+3=5+(2+3) 2. 9a is equivalent to 11a-2a 3. 7a + 04 - 2a is equivalent to 7a + -2a + 4 4. 8a-(8a-8) is equivalent or = to 8.